Service manual

FrameMaker Ver5.5E(PC) CF3102/CF2002 TROUBLESHOOTING
02.06.13
T- 9 2
Image Transfer
Belt Unit
12 Image Transfer Belt Unit
makes positive contact
with plates on rails.
NO Check and correct contacts.
13 Cam gear operates
properly.
NO Change Image Transfer Belt
Unit.
Hopper Unit 14 Connectors are loose. YES Reconnect.
15 Gear is cracked. YES Change gear.
16 Toner empty lever and/or
detecting switch are
defective.
YES Change Hopper Unit.
Gradation Adjust
(Tech. Rep. Mode)
17 Conv. Valuefalls within
the specified range as
checked through Grada-
tion Adjust.
Max: 0 ±100
Highlight = 0 ±60
NO Go to step 21.
Image Adjust
PRT Max Den-
sity (Tech.
Rep.Mode)
18 The problem has been
eliminated through the
adjust of PRT Max.
NO Go to next step.
Image Adjust
PRT Highlight
(Tech. Rep. Mode)
19 The problem has been
eliminated through the
adjust of PRT Highlight.
NO Go to next step.
Image Adjust
Stabilizer
Reset + Stabilizer
(Tech. Rep. Mode)
20 After the Reset + Stabi-
lizer sequence has been
completed, run Grada-
tion Adjust; if the prob-
lem persists, make
adjustments of PRT Max
Density and PRT High-
light.
NO Go to next step.
21 The problem has been
eliminated through the
checks of steps up to 20.
NO Change IU.
Change Image Transfer
Belt Unit.
Change LPH Assy.
Change PIC Board.
Change LED Drive Board.
Change LPH Unit.
Change High Voltage Unit
(Developing Bias).
Change High Voltage Unit
(Image Transfer, Neutraliz-
ing).
Section Step Check Item Result Action